Finding the Fourth Proportional to 14,357,142.21, 19,813,092.35 and 7,830,771.57
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Solution
The fourth proportional to 14,357,142.21, 19,813,092.35 and 7,830,771.57 is: 10,806,593.54
Step by Step Solution
- Step 1: Write the proportion equation
14,357,142.21 : 19,813,092.35 = 7,830,771.57 : x - Step 2: Convert to fraction form
14,357,142.21/19,813,092.35 = 7,830,771.57/x - Step 3: Cross multiply
14,357,142.21x = 19,813,092.35 × 7,830,771.57 - Step 4: Simplify right side
14,357,142.21x = 155,151,800,249,010.62 - Step 5: Solve for x
x = 155,151,800,249,010.62/14,357,142.21 - Step 6: Final answer
x = 10,806,593.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.